Comparative Composition of Whole Herb, Flowers, Leaves and Stem Oils of Cornmint (Mentha arvensis L.f. piperascens Malinvaud ex Holmes)

The chemical composition of essential oils isolated from flowering whole herb, flowers, leaves and stem of cornmint cv. 'Shivalik' grown on black soil in semi-arid tropical climate, were compared. Cornmint grew to a height of 75-120 cm and produced 4.5-54 kg biomass/m 2 . Flowers, leaves a...

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Bibliographic Details
Published in:The Journal of essential oil research 2000-05, Vol.12 (3), p.357-359
Main Authors: Rajeswara Rao, Bhaskaruni R., Kaul, Pran N., Mallavarapu, Gopal R., Ramesh, Srinivasaiyer
Format: Article
Language:English
Subjects:
cornmint oil
essential oil composition
Lamiaceae
Mentha arvensis
Mentha arvensis f. piperascens
menthol
menthone
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Summary:The chemical composition of essential oils isolated from flowering whole herb, flowers, leaves and stem of cornmint cv. 'Shivalik' grown on black soil in semi-arid tropical climate, were compared. Cornmint grew to a height of 75-120 cm and produced 4.5-54 kg biomass/m 2 . Flowers, leaves and stems contributed 31-3%, 37.4% and 31.3% to biomass yield and produced essential oil yields of 1.50%, 1.56% and 0.06%, respectively. The flowering whole herb gave 0.59% oil yield. The whole herb and leaves produced oils of similar composition, except for slightly higher content of menthol (71.1%) in leaf oil. The flower oil contained highest concentration of menthone (30.2%), but lowest percentage of menthol (53.2%). Stem oil was richer in menthol (82.3%) and menthyl acetate (3.4%), but poorer, compared to other oils, in myrcene + 3-octanol, limonene + 1,8-cineole, menthone, isomenthone and neomenthol.
ISSN:1041-2905
2163-8152
DOI:10.1080/10412905.2000.9699535